''Onoseris'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

Mesoamerican Mesoamerica is a historical region and cultural area in southern North America and most of Central America. It extends from approximately central Mexico through Belize, Guatemala, El Salvador, Honduras, Nicaragua, and northern Costa Rica. Withi ...

and

South American South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the souther ...

flowering plants in the family

Asteraceae The family Asteraceae, alternatively Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales. Commonly referred to as the aster, daisy, composite, or sunflower family, Compositae ...

.Willdenow, Carl Ludwig von. 1803. Species Plantarum. Editio quarta 3(3): 1702
in Latin ; Species: ; Formerly includedFlann, C (ed) 2009+ Global Compositae Checklist
Several species once considered members of ''Onoseris'' are now regarded as better suited to other genera: ''

Actinoseris ''Actinoseris'' is a genus of flowering plants in the daisy family described as a genus in 1970. There is only one accepted species, ''Actinoseris radiata'', native to Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of B ...

, Criscia,

Hieracium ''Hieracium'' (), known by the common name hawkweed and classically as (from ancient Greek ιεράξ, 'hawk'), is a genus of flowering plant in the family Asteraceae, and closely related to dandelion (''Taraxacum''), chicory ('' Cichorium'') ...

Ianthopappus ''Ianthopappus'' is a genus of South American flowering plants in the family Asteraceae. ;Species The only known species is ''Ianthopappus corymbosus'', native to Brazil (Rio Grande do Sul), Argentina (Corrientes) and Uruguay Uruguay (; ) ...

, Lycoseris, Noticastrum,

Trichocline ''Trichocline'' is a genus of Australian and South American plants in the tribe Mutisieae within the family Asteraceae. It consists of one species from Australia ''(T. spathulata)'' and twenty-three from South America. Its closest relatives a ...

, and Urmenetea''.

References

Asteraceae genera Onoserideae {{Asteraceae-stub